When to Plant Mammoth Jalapeño in Zone 3b
Get the exact Zone 3b timeline for your Mammoth Jalapeño. See localized frost dates, indoor sowing windows, and optimal companions below.
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Crop Dates : 3b
Growing note: This crop establishes over multiple seasons (~80 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.
| Milestone | Date |
|---|---|
| Start Indoors | Mar 24th |
| Last Frost | May 19th |
| Transplant / Sow Outdoors | Jul 14th |
| Harvest Begins | Oct 2nd |
| Harvest Ends | Sep 21st |